What's the difference between aetiology and pathogenesis?

Aetiology


Definition:

  • (n.) The science, doctrine, or demonstration of causes; esp., the investigation of the causes of any disease; the science of the origin and development of things.
  • (n.) The assignment of a cause.

Example Sentences:

  • (1) The data indicate that ebselen is likely to be useful in the therapy of inflammatory conditions in which reactive oxygen species, such as peroxides, play an aetiological role.
  • (2) The aetiological factors concerned in the production of paraumbilical and epigastric hernias have been reviewed along structural--functional lines.
  • (3) In the aetiology the Periodontitis apicalis and wounds after tooth extractions are in the highest position.
  • (4) While much research has examined the aetiology and treatment of asthma, little work has been done on its social impact.
  • (5) A traumatic factor in the aetiology of the AVM was also discussed, since the patient had had two preceding episodes of traffic accidents with cranial and lumbar injury.
  • (6) A viral aetiology for this group of diseases remains an attractive but unsubstantiated hypothesis.
  • (7) The rationale for using the high-risk-group research design in the search for the aetiology of schizophrenia is described.
  • (8) Thirty patients were evaluated in a blind fashion to study the effect of oral propranolol on portal hypertension of varied aetiology.
  • (9) It appears that irrespective of the elucidation of the nature of the putative aetiological factor (presumed to be viral) in MS, the arrest and reversal of T cell-related events within the CNS in this devastating condition represent feasible goals and should remain a major target for some time to come.
  • (10) However, occupational hazards, toxic and iatrogenic drug-induced aetiologies should not be overlooked.
  • (11) These results, together with the gradual onset of symptoms which worsened after each pregnancy, suggest a possible autoimmune aetiology of her pituitary ACTH and Prl deficiencies.
  • (12) No common aetiological factor could be found, although four of these patients did have a mild or moderatley active superficial chronic gastritis.
  • (13) These studies demonstrated an association of HIV virus with cytopathic and immunopathogenic reactions in lymphatic organs of AIDS patients, and are consistent with previous results, as well as indicative of a primary aetiologic role for the virus.
  • (14) The aetiology remains at present uncertain and therefore rational therapeutic strategies are difficult to plan.
  • (15) It is important that the aetiology of the hypercalcaemia be established, as it can reflect serious disease.
  • (16) Recent theoretical developments in health psychology and allied disciplines on coping behaviour and social support should be integrated into biomedical models of the aetiology, pathogenesis and clinical course of malignant neoplasia.
  • (17) The syndrome of ovarian hyperstimulation is an exceptional aetiology of pleural effusion.
  • (18) Parental consanguinity suggests that an autosomal recessive mutation is the likely aetiology.
  • (19) Aetiological factors were: chronic alcoholism (31%), vascular diseases (17%), tumours (12%), traumatic brain lesions (8,5%), toxic metabolic lesions (6%) and other factors (6%).
  • (20) Frequency, clinical aspects, histology and aetiology of the above described disorders of placentation are discussed.

Pathogenesis


Definition:

  • (n.) Pathogeny.

Example Sentences:

  • (1) The combined analysis of pathogenesis and genetics associated with the salmonella virulence plasmids may identify new systems of bacterial virulence and the genetic basis for this virulence.
  • (2) Although antihistamines are widely used for symptomatic treatment of seasonal (allergic) rhinitis, the role of histamines in the pathogenesis of infectious rhinitis is not clear.
  • (3) In concert with TF expressed by monocytes and macrophages this endothelial cell procoagulant activity may play a role in the pathogenesis of thrombotic disease.
  • (4) Escherichia enterotoxigenic strains, Yersinia enterocolitica and Salmonella typhimurium virulent strains, Campylobacter jejuni clinical isolates possess more pronounced capacity for adhesion to enteric cells of Peyer's plaques than to other types of epithelial cells, which may be of importance in the pathogenesis of these infections.
  • (5) Functional as well as mechanical factors may be important in the pathogenesis of cholestatic syndromes.
  • (6) Its pathogenesis, still incompletely elucidated, involves the precipitation of immune complexes in the walls of the all vessels.
  • (7) The authors describe the role played by these substances in the pathogenesis of inflammations, their importance in the regulation of intraocular pressure and in the development of cystoid macular oedema.
  • (8) With the aim of evaluating the role of 1,25 dihydroxyvitamin D in the pathogenesis of osteoporosis, this hormone was studied in 90 subjects.
  • (9) The findings suggest that mast cell prostaglandins are an important factor in the pathogenesis of pruritus and that local vascular responses may trigger mast cell degranulation.
  • (10) The development of pulmonary edema in high-altitude residents with upper respiratory infections and no antecedent low-altitude journey is consistent with the presence of other factors such as inflammation, which may play a role in the pathogenesis of the edema.
  • (11) Although not common, the disorder is the most frequently diagnosed disturbance of porphyrin metabolism in many countries, and further insight into its unusual pathogenesis may clarify the hepatotoxic effects of the 4 etiologic agents.
  • (12) Proliferation of untransformed FDC-PI cells and the emergence of variants with improved adaptation to in vivo conditions appear to be important and possibly necessary steps in the pathogenesis of the disease.
  • (13) These results may suggest that liver subcellular component is involved in pathogenesis of drug-induced allergic hepatitis.
  • (14) Our findings suggest that the affinity of aldose reductase for glucose in patients with diabetic complications may be increased and that the polyol pathway is implicated in the pathogenesis of diabetic complications.
  • (15) Pathogenesis of acute osteomyelitis is analyzed from the standpoint of disorders in the bone microcirculation.
  • (16) Taken together with recent data from transgenic animals, this in vitro observation has possible implications for our view of the pathogenesis of pancreatic neoplasia.
  • (17) In the discussion, some of the theories of the pathogenesis of clubbing are reviewed, together with previous reports of clubbing in gastro-oesophageal disorders.
  • (18) Antigenic mimicry by T. cruzi antigens sharing epitopes with host macromolecules has been implicated in the pathogenesis which is thought to have a significant autoimmune component.
  • (19) Further studies are required to show whether these differences are real and, if so, whether they have any relevance for the pathogenesis of migraine attacks.
  • (20) The evidence suggests that this isozyme is not necessary for soft-rot pathogenesis.